Pipe-molding apparatus



(N0 Model.)

Patented Aug. 1, 1882.

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' UNITED STATES PATENT OF ICE.

FREDERICK SHICKLE, OF ST. LOUIS, MISSOURI.

Pl PE-MOLDING APPARATUS.

' SPECIFICATION forming part of Letters Patent No. 261,963, dated August1, 1882.

Application filed April 29, 1882. (No model.)

of the flask, but showing the pipe and core in elevation; Fig. 3, ahorizontal section taken on the line 3 3 of Fig. 2; and Fig. 4, a viewsimilar to that of Fig. 2, hutshowing the beadring slightly modified,and the flask-bottom being flat in place of havinga recess to receivethe bead-ring.

The same letters denote the same parts.

The present improvement relates to that part of the molding apparatusused informing the head of the pipe. 7

A, Figs. 1, 2, represents ,the shell or body of the flask, and Btheflask-bottom.

0 represents the improved bead-ring, or that part of the mold that formsthe head of the pipe. The improvement in the bead-ring con sists partlyin dividing'it horizontally at or about the level of the largestdiameter of the bead-ring, and partly in subdividing verticall y theupper half of the bead-ring into sec tions, and as seen in Figs. 1, 2,3, the ring 0 being divided horizontally to separate the lower part, c,from the upper part of the ring,

structed can be used either with a flask-bottom having a recess, such asshown at 11, Figs. 1, 2, or with a flat flask-bottom such as shown at B,Fig. 4. When used with a flat flask-bottom the ring may he made tooccupy the space hetween the pipe and the shell of the flask; or it mayoccupy only a portion of.

the space, in which case, and as shown in Fig. 4, the lower part, c, ofthe ring may have an extension or flange, 0 for the purpose of holdin gthe sections 0 c 0 in place.

E, Figs. 2, 4, represents the core used in casting the pipe, and F, Fig.-1, represents the pattern. G represents the sand.

I claiml. A bead-ring for forming the whole of the head on a pipe, saidring being detachable from the mold and being divided horizontally, asand ibr the purpose described.

2. A beadring, 0, divided to form the parts a and c 0 c, substantiallyas described.

3. The combination of the part 0, having the flange 0 and the sections 0c c, substantially as described.

FREDERICK SHICKLE. Witnesses G. D. MOODY, SAML. S. BOYD.

